Explore topic-wise MCQs in Avionics.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Avionics knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is true with respect to the passive optical sensor?

A. Not affected by EMI
B. Does not require an electrical supply
C. Output from the sensor is an optical signal
D. Processing this signal does not require any electrical device
Answer» E.
Discussion
2.

What happens when the output of one channel is delayed by one iteration period before comparing with other channels in a quadruplex system?

A. Latency
B. Staleness
C. Aliasing
D. High noise
Answer» C. Aliasing
Discussion
3.

Which of the following is not an advantage of using a digital data bus?

A. Self test
B. Multiplexing
C. less weight
D. Not affected by electromagnetic interference
Answer» E.
Discussion
4.

How is data staleness overcome?

A. Time synchronisation
B. Down conversion
C. Up conversion
D. Using multiple channels
Answer» B. Down conversion
Discussion
5.

How is aliasing prevented?

A. Sampling at the same frequency of the original signal
B. Sampling at double the frequency of the original signal
C. Sampling at less than double the frequency of the original signal
D. Sampling at more than double the frequency of the original signal
Answer» E.
Discussion
6.

What is it called when the sampled signal is of lower frequency than the original signal?

A. Aliasing
B. Overshoot
C. Steady state error
D. Damping
Answer» B. Overshoot
Discussion
7.

Which of the following is not a result of digital implementation?

A. Hardware economy
B. Flexibility in updating
C. More power
D. Built in test capabilities
Answer» D. Built in test capabilities
Discussion
8.

How does the digital implementation in the FBW system reduce weight?

A. Lightweight materials
B. Fewer components
C. System integration
D. Automated control
Answer» D. Automated control
Discussion